president obama tries to win over top business leaders, warning republicans are holding the global economy hostage over the fiscal cliff. >> susie: and apple shares get of the most widely owned stocks sees heavy trading. >> tom: that and more tonight on "n.b.r." >> susie: big job cuts today at one of the nation's biggest banks. citigroup announced it's slashing 4% of its staff; that works out to 11,000 jobs worldwide. the cuts will save the bank more than $1 billion a year in expenses. but they won't be cheap, resulting in a billion-dollar charge against fourth-quarter earnings. is this gloomy news from citi the beginning of other companies doing the same? suzanne pratt reports. >> reporter: 11,000 jobs are a lot of layoffs, even for a bank as huge as citi. and there could be more. that's because the monster firm is still struggling to recover from the great recession even though it has fired a lot of other workers in the last few years. the thing is, citi has a new c.e.o. in michael corbat, and experts say he's anxious to make his mark, even if that includes cutting staff. and the need to